Base | Representation |
---|---|
bin | 11101001110001100… |
… | …110101111110001001 |
3 | 2222222200220121000122 |
4 | 131032030311332021 |
5 | 1003224422320323 |
6 | 22225252513025 |
7 | 2160355031324 |
oct | 351614657611 |
9 | 88880817018 |
10 | 31376760713 |
11 | 123413aa801 |
12 | 60b801b775 |
13 | 2c60697bcc |
14 | 173922b7bb |
15 | c3992cec8 |
hex | 74e335f89 |
31376760713 has 2 divisors, whose sum is σ = 31376760714. Its totient is φ = 31376760712.
The previous prime is 31376760661. The next prime is 31376760761. The reversal of 31376760713 is 31706767313.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 18930457744 + 12446302969 = 137588^2 + 111563^2 .
It is a cyclic number.
It is not a de Polignac number, because 31376760713 - 222 = 31372566409 is a prime.
It is a super-2 number, since 2×313767607132 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (31376760013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15688380356 + 15688380357.
It is an arithmetic number, because the mean of its divisors is an integer number (15688380357).
Almost surely, 231376760713 is an apocalyptic number.
It is an amenable number.
31376760713 is a deficient number, since it is larger than the sum of its proper divisors (1).
31376760713 is an equidigital number, since it uses as much as digits as its factorization.
31376760713 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 333396, while the sum is 44.
The spelling of 31376760713 in words is "thirty-one billion, three hundred seventy-six million, seven hundred sixty thousand, seven hundred thirteen".
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